The study suggests that the spoons found everywhere in barbarian war gear were used for snorting drugs before battle. Source: Praehistorische Zeitschrift.

Gak Attack! Barbarians Snorted Drugs Before Battle, Study Finds

If you are facing battle, it is generally a good thing if the soldiers on your side are alert, or maybe confident, and even downright reckless in their disregard for danger. The better your fighters, the more likely you will win the day, and nothing disarms a fighter lack a panic. This is well known